1206722 has 8 divisors (see below), whose sum is σ = 1974672. Its totient is φ = 548500.

The previous prime is 1206721. The next prime is 1206731. The reversal of 1206722 is 2276021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1206694 and 1206703.

It is not an unprimeable number, because it can be changed into a prime (1206721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27404 + ... + 27447.

It is an arithmetic number, because the mean of its divisors is an integer number (246834).

2^1206722 is an apocalyptic number.

1206722 is a deficient number, since it is larger than the sum of its proper divisors (767950).

1206722 is a wasteful number, since it uses less digits than its factorization.

1206722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54864.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1206722 is about 1098.5089894944. The cubic root of 1206722 is about 106.4639095386.

The spelling of 1206722 in words is "one million, two hundred six thousand, seven hundred twenty-two".